General Information

Event name: SE-91-001
Country: SWEDEN
Nature of the harmful event:
High Phyto concentration , Freshwater
Event directly affected:
Toxicity detected: Yes
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Blooms nearly every year in large parts of the Baltic Sea)
Individuals to contact: EDLER, Lars

Location & Date

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Location: Latitude: 57.000000, Longitude: 16.000000
General location information: , Baltic sea.
HAB Area code(s): SE-04
Additional location information: Aprox. between 57šN and 59šN and 16šE and 22šE.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: End of July, beginning of August.


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena ( cells/L)
Aphanizomenon flos-aquae ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information: Hepatotoxins found in some but not all samples.
Economic losses:
Management decision: Recommendation not to bathe.
Additional harmful effect information: No serious effects reported. Considerable public concern.
Updated at 04:05 on 18 Oct 2018